use of org.apache.twill.discovery.Discoverable in project cdap by caskdata.
the class AppFabricServerTest method testSSL.
@Test
public void testSSL() throws IOException {
CConfiguration cConf = CConfiguration.create();
cConf.setBoolean(Constants.Security.SSL.INTERNAL_ENABLED, true);
cConf.setInt(Constants.AppFabric.SERVER_SSL_PORT, 20443);
SConfiguration sConf = SConfiguration.create();
final Injector injector = AppFabricTestHelper.getInjector(cConf, sConf, new AbstractModule() {
@Override
protected void configure() {
// no overrides
}
});
final DiscoveryServiceClient discoveryServiceClient = injector.getInstance(DiscoveryServiceClient.class);
AppFabricServer appFabricServer = injector.getInstance(AppFabricServer.class);
appFabricServer.startAndWait();
Assert.assertTrue(appFabricServer.isRunning());
Supplier<EndpointStrategy> endpointStrategySupplier = Suppliers.memoize(new Supplier<EndpointStrategy>() {
@Override
public EndpointStrategy get() {
return new RandomEndpointStrategy(discoveryServiceClient.discover(Constants.Service.APP_FABRIC_HTTP));
}
});
Discoverable discoverable = endpointStrategySupplier.get().pick(3, TimeUnit.SECONDS);
Assert.assertNotNull(discoverable);
Assert.assertArrayEquals(Constants.Security.SSL_URI_SCHEME.getBytes(), discoverable.getPayload());
InetSocketAddress addr = discoverable.getSocketAddress();
// Since the server uses a self signed certificate we need a client that trusts all certificates
SSLSocket socket = (SSLSocket) LDAPLoginModule.TrustAllSSLSocketFactory.getDefault().createSocket(addr.getHostName(), addr.getPort());
// in millis
socket.setSoTimeout(5000);
// Would throw exception if the server does not support ssl.
// "javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?"
socket.startHandshake();
appFabricServer.stopAndWait();
}
use of org.apache.twill.discovery.Discoverable in project cdap by caskdata.
the class OpenCloseDataSetTest method testDataSetsAreClosed.
@Test(timeout = 120000)
public void testDataSetsAreClosed() throws Exception {
final String tableName = "foo";
TrackingTable.resetTracker();
ApplicationWithPrograms app = AppFabricTestHelper.deployApplicationWithManager(DummyAppWithTrackingTable.class, TEMP_FOLDER_SUPPLIER);
List<ProgramController> controllers = Lists.newArrayList();
// start the programs
for (ProgramDescriptor programDescriptor : app.getPrograms()) {
if (programDescriptor.getProgramId().getType().equals(ProgramType.MAPREDUCE)) {
continue;
}
controllers.add(AppFabricTestHelper.submit(app, programDescriptor.getSpecification().getClassName(), new BasicArguments(), TEMP_FOLDER_SUPPLIER));
}
// write some data to queue
TransactionSystemClient txSystemClient = AppFabricTestHelper.getInjector().getInstance(TransactionSystemClient.class);
QueueName queueName = QueueName.fromStream(app.getApplicationId().getNamespace(), "xx");
QueueClientFactory queueClientFactory = AppFabricTestHelper.getInjector().getInstance(QueueClientFactory.class);
QueueProducer producer = queueClientFactory.createProducer(queueName);
// start tx to write in queue in tx
Transaction tx = txSystemClient.startShort();
((TransactionAware) producer).startTx(tx);
StreamEventCodec codec = new StreamEventCodec();
for (int i = 0; i < 4; i++) {
String msg = "x" + i;
StreamEvent event = new StreamEvent(ImmutableMap.<String, String>of(), ByteBuffer.wrap(msg.getBytes(Charsets.UTF_8)));
producer.enqueue(new QueueEntry(codec.encodePayload(event)));
}
// commit tx
((TransactionAware) producer).commitTx();
txSystemClient.commit(tx);
while (TrackingTable.getTracker(tableName, "write") < 4) {
TimeUnit.MILLISECONDS.sleep(50);
}
// get the number of writes to the foo table
Assert.assertEquals(4, TrackingTable.getTracker(tableName, "write"));
// only 2 "open" calls should be tracked:
// 1. the flow has started with single flowlet (service is loaded lazily on 1st request)
// 2. DatasetSystemMetadataWriter also instantiates the dataset because it needs to add some system tags
// for the dataset
Assert.assertEquals(2, TrackingTable.getTracker(tableName, "open"));
// now send a request to the service
Gson gson = new Gson();
DiscoveryServiceClient discoveryServiceClient = AppFabricTestHelper.getInjector().getInstance(DiscoveryServiceClient.class);
Discoverable discoverable = new RandomEndpointStrategy(discoveryServiceClient.discover(String.format("service.%s.%s.%s", DefaultId.NAMESPACE.getEntityName(), "dummy", "DummyService"))).pick(5, TimeUnit.SECONDS);
Assert.assertNotNull(discoverable);
HttpClient client = new DefaultHttpClient();
HttpGet get = new HttpGet(String.format("http://%s:%d/v3/namespaces/default/apps/%s/services/%s/methods/%s", discoverable.getSocketAddress().getHostName(), discoverable.getSocketAddress().getPort(), "dummy", "DummyService", "x1"));
HttpResponse response = client.execute(get);
String responseContent = gson.fromJson(new InputStreamReader(response.getEntity().getContent(), Charsets.UTF_8), String.class);
client.getConnectionManager().shutdown();
Assert.assertEquals("x1", responseContent);
// now the dataset must have a read and another open operation
Assert.assertEquals(1, TrackingTable.getTracker(tableName, "read"));
Assert.assertEquals(3, TrackingTable.getTracker(tableName, "open"));
// The dataset that was instantiated by the DatasetSystemMetadataWriter should have been closed
Assert.assertEquals(1, TrackingTable.getTracker(tableName, "close"));
// stop all programs, they should both close the data set foo
for (ProgramController controller : controllers) {
controller.stop().get();
}
int timesOpened = TrackingTable.getTracker(tableName, "open");
Assert.assertTrue(timesOpened >= 2);
Assert.assertEquals(timesOpened, TrackingTable.getTracker(tableName, "close"));
// now start the m/r job
ProgramController controller = null;
for (ProgramDescriptor programDescriptor : app.getPrograms()) {
if (programDescriptor.getProgramId().getType().equals(ProgramType.MAPREDUCE)) {
controller = AppFabricTestHelper.submit(app, programDescriptor.getSpecification().getClassName(), new BasicArguments(), TEMP_FOLDER_SUPPLIER);
}
}
Assert.assertNotNull(controller);
while (!controller.getState().equals(ProgramController.State.COMPLETED)) {
TimeUnit.MILLISECONDS.sleep(100);
}
// M/r job is done, one mapper and the m/r client should have opened and closed the data set foo
// we don't know the exact number of times opened, but it is at least once, and it must be closed the same number
// of times.
Assert.assertTrue(timesOpened < TrackingTable.getTracker(tableName, "open"));
Assert.assertEquals(TrackingTable.getTracker(tableName, "open"), TrackingTable.getTracker(tableName, "close"));
Assert.assertTrue(0 < TrackingTable.getTracker("bar", "open"));
Assert.assertEquals(TrackingTable.getTracker("bar", "open"), TrackingTable.getTracker("bar", "close"));
}
use of org.apache.twill.discovery.Discoverable in project cdap by caskdata.
the class FlowTest method testAppWithArgs.
@Test
public void testAppWithArgs() throws Exception {
final ApplicationWithPrograms app = AppFabricTestHelper.deployApplicationWithManager(ArgumentCheckApp.class, TEMP_FOLDER_SUPPLIER);
// Only running flow is good. But, in case of service, we need to send something to service as it's lazy loading
List<ProgramController> controllers = Lists.newArrayList();
for (ProgramDescriptor programDescriptor : app.getPrograms()) {
Arguments userArgs = new BasicArguments(ImmutableMap.of("arg", "test"));
controllers.add(AppFabricTestHelper.submit(app, programDescriptor.getSpecification().getClassName(), userArgs, TEMP_FOLDER_SUPPLIER));
}
DiscoveryServiceClient discoveryServiceClient = AppFabricTestHelper.getInjector().getInstance(DiscoveryServiceClient.class);
String discoverableName = String.format("service.%s.%s.%s", DefaultId.NAMESPACE.getNamespace(), "ArgumentCheckApp", "SimpleService");
Discoverable discoverable = new RandomEndpointStrategy(discoveryServiceClient.discover(discoverableName)).pick(5, TimeUnit.SECONDS);
Assert.assertNotNull(discoverable);
URL url = new URL(String.format("http://%s:%d/v3/namespaces/default/apps/%s/services/%s/methods/%s", discoverable.getSocketAddress().getHostName(), discoverable.getSocketAddress().getPort(), "ArgumentCheckApp", "SimpleService", "ping"));
HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();
// this would fail had the service been started without the argument (initialize would have thrown)
Assert.assertEquals(200, urlConn.getResponseCode());
for (ProgramController controller : controllers) {
controller.stop().get();
}
}
use of org.apache.twill.discovery.Discoverable in project cdap by caskdata.
the class FlowTest method testFlow.
@Test
public void testFlow() throws Exception {
final ApplicationWithPrograms app = AppFabricTestHelper.deployApplicationWithManager(WordCountApp.class, TEMP_FOLDER_SUPPLIER);
List<ProgramController> controllers = Lists.newArrayList();
for (ProgramDescriptor programDescriptor : app.getPrograms()) {
// running mapreduce is out of scope of this tests (there's separate unit-test for that)
if (programDescriptor.getProgramId().getType() == ProgramType.MAPREDUCE) {
continue;
}
controllers.add(AppFabricTestHelper.submit(app, programDescriptor.getSpecification().getClassName(), new BasicArguments(), TEMP_FOLDER_SUPPLIER));
}
TimeUnit.SECONDS.sleep(1);
TransactionSystemClient txSystemClient = AppFabricTestHelper.getInjector().getInstance(TransactionSystemClient.class);
QueueName queueName = QueueName.fromStream(app.getApplicationId().getNamespace(), "text");
QueueClientFactory queueClientFactory = AppFabricTestHelper.getInjector().getInstance(QueueClientFactory.class);
QueueProducer producer = queueClientFactory.createProducer(queueName);
// start tx to write in queue in tx
Transaction tx = txSystemClient.startShort();
((TransactionAware) producer).startTx(tx);
StreamEventCodec codec = new StreamEventCodec();
for (int i = 0; i < 10; i++) {
String msg = "Testing message " + i;
StreamEvent event = new StreamEvent(ImmutableMap.<String, String>of(), ByteBuffer.wrap(msg.getBytes(Charsets.UTF_8)));
producer.enqueue(new QueueEntry(codec.encodePayload(event)));
}
// commit tx
((TransactionAware) producer).commitTx();
txSystemClient.commit(tx);
// Query the service for at most 10 seconds for the expected result
Gson gson = new Gson();
DiscoveryServiceClient discoveryServiceClient = AppFabricTestHelper.getInjector().getInstance(DiscoveryServiceClient.class);
ServiceDiscovered serviceDiscovered = discoveryServiceClient.discover(String.format("service.%s.%s.%s", DefaultId.NAMESPACE.getNamespace(), "WordCountApp", "WordFrequencyService"));
EndpointStrategy endpointStrategy = new RandomEndpointStrategy(serviceDiscovered);
int trials = 0;
while (trials++ < 10) {
Discoverable discoverable = endpointStrategy.pick(2, TimeUnit.SECONDS);
URL url = new URL(String.format("http://%s:%d/v3/namespaces/default/apps/%s/services/%s/methods/%s/%s", discoverable.getSocketAddress().getHostName(), discoverable.getSocketAddress().getPort(), "WordCountApp", "WordFrequencyService", "wordfreq", "text:Testing"));
try {
HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();
Map<String, Long> responseContent = gson.fromJson(new InputStreamReader(urlConn.getInputStream(), Charsets.UTF_8), new TypeToken<Map<String, Long>>() {
}.getType());
LOG.info("Service response: " + responseContent);
if (ImmutableMap.of("text:Testing", 10L).equals(responseContent)) {
break;
}
} catch (Throwable t) {
LOG.info("Exception when trying to query service.", t);
}
TimeUnit.SECONDS.sleep(1);
}
Assert.assertTrue(trials < 10);
for (ProgramController controller : controllers) {
controller.stop().get();
}
}
use of org.apache.twill.discovery.Discoverable in project cdap by caskdata.
the class RemoteClient method resolve.
/**
* Discover the service address, then append the base path and specified resource to get the URL.
*
* @param resource the resource to use
* @return the resolved URL
* @throws ServiceUnavailableException if the service could not be discovered
*/
public URL resolve(String resource) {
Discoverable discoverable = endpointStrategySupplier.get().pick(1L, TimeUnit.SECONDS);
if (discoverable == null) {
throw new ServiceUnavailableException(discoverableServiceName);
}
InetSocketAddress address = discoverable.getSocketAddress();
String scheme = Arrays.equals(Constants.Security.SSL_URI_SCHEME.getBytes(), discoverable.getPayload()) ? Constants.Security.SSL_URI_SCHEME : Constants.Security.URI_SCHEME;
String urlStr = String.format("%s%s:%d%s%s", scheme, address.getHostName(), address.getPort(), basePath, resource);
try {
return new URL(urlStr);
} catch (MalformedURLException e) {
// shouldn't happen. If it does, it means there is some bug in the service announcer
throw new IllegalStateException(String.format("Discovered service %s, but it announced malformed URL %s", discoverableServiceName, urlStr), e);
}
}
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